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omg wrong reading

This commit is contained in:
Adam D. Ruppe 2024-10-23 08:50:33 -04:00
parent 80fc783116
commit 9a989762e6
1 changed files with 6 additions and 5 deletions
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11
archive.d
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@ -218,21 +218,21 @@ unittest {
ulong readVla(ref const(ubyte)[] data) { ulong readVla(ref const(ubyte)[] data) {
ulong n; ulong n;
n = data[0] & 0x7f;
if(!(data[0] & 0x80))
data = data[1 .. $];
int i = 0; int i = 0;
while(data[0] & 0x80) { while(data[0] & 0x80) {
i++; i++;
data = data[1 .. $];
ubyte b = data[0]; ubyte b = data[0];
data = data[1 .. $];
if(b == 0) return 0; if(b == 0) return 0;
n |= cast(ulong) (b & 0x7F) << (i * 7); n |= cast(ulong) (b & 0x7F) << (i * 7);
} }
n |= data[0] & 0x7f;
data = data[1 .. $];
return n; return n;
} }
@ -467,6 +467,7 @@ struct XzDecoder {
auto fid = readVla(initialData); auto fid = readVla(initialData);
auto sz = readVla(initialData); auto sz = readVla(initialData);
// import std.stdio; writefln("%02x %d", fid, sz);
assert(fid == 0x21); assert(fid == 0x21);
assert(sz == 1); assert(sz == 1);